Home / 16,904.84-25,358.64-5,811.54

Finding the Fourth Proportional to 16,904.84, 25,358.64 and 5,811.54

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Solution

The fourth proportional to 16,904.84, 25,358.64 and 5,811.54 is: 8,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.84 : 25,358.64 = 5,811.54 : x
  2. Step 2: Convert to fraction form
    16,904.84/25,358.64 = 5,811.54/x
  3. Step 3: Cross multiply
    16,904.84x = 25,358.64 × 5,811.54
  4. Step 4: Simplify right side
    16,904.84x = 147,372,750.71
  5. Step 5: Solve for x
    x = 147,372,750.71/16,904.84
  6. Step 6: Final answer
    x = 8,717.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.